Physics
Scientific paper
Aug 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001icrc....6.2428f&link_type=abstract
Proceedings of the 27th International Cosmic Ray Conference. 07-15 August, 2001. Hamburg, Germany. Under the auspices of the Int
Physics
1
Scientific paper
The MAGIC telescope with its large mirror reflecting area has the capability to trigger on 10 GeV cosmic γ-rays, and with a collection area which increases rapidly with increasing energy, MAGIC should be able to overlap with EGRET in the 10 30 GeV range and capture pulsed γ-rays in the non-imaging mode. Shower sizeand distance cuts should retain γ-rays below 30 GeV, while rejecting cosmic ray showers of higher energy and distances outside the low energy γ-ray trigger area. For a final background rate of 50 Hz or less, pulsed detections should be possible within a few hours. Crab and PSR B1951+32 have spectra extending possibly to at least 30 GeV, and since they transit near La Palma, the pulsed emission from these sources should prove that MAGIC can trigger in the 10 30 GeV range and will be useful for further calibration and understanding the operation at threshold. Some hard-spectrum unidentified EGRET sources may also be pulsars, and if their spectra extend to the 10 30 GeV range, searches for pulsations would be possible, which would make a discovery of high-dispersion/off radio beam γ-ray pulsars a possibility. The constraint for this capability is the detection within a single night, with confirmation runs the following few nights.
Fonseca Victoria
MAGIC Collaboration
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